Song Credits

  • Artist: Moon Byul
  • Album: REV
  • Released: March 25, 2026
  • Length: 2:28
  • Label: RBW
  • Lyrics: Moon Byul, Seo Yong-bae (sesamiX)
  • Composers: Moon Byul, Seo Yong-bae (sesamiX)

Moon Byul “Hertz” Official MV

Moon Byul “Hertz” Lyrics

Hangul

Yeah
Kick it louder
Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz
Ayy

깊어져 glitch
숨을 죽여 닿을 듯 말 듯이
너의 그 파동 안에 나를 맞춰봐
파도를 타는 듯이 (Crush)
번져와 deeper frequencies
폭발해 chemistry

또 끌어당기잖아
Same wavelength, we’re on it

Ninety-six hertz, we lock in
주파수는 이미 in-phase
My heart, 터질 듯 뛰어오르는 중
올라타 올려봐, gear
파동 타고 스며드는 중
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Step in the room, my heart goes boom
네 vibe는 천천히 올라와 zoom
기분 좋은 상상을 하게끔
이 질주는 잠을 깨기 싫은 꿈
Zero, one 사이에 두고
데이터처럼 중첩되어 가는 track
One, one, four, 템포 가위바위보
엎치락뒤치락 내가 이긴 게임

또 끌어당기잖아
Same wavelength, we’re on it

Ninety-six hertz, we lock in
주파수는 이미 in-phase
My heart, 터질 듯 뛰어오르는 중
올라타 올려봐, gear
파동 타고 스며드는 중
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Ah, ah-ah-ah
Ah, ah-ah-ah (Hertz)
Ah, ah-ah-ah (Hertz)
Woo (Hertz), woo
Same wavelength, we’re on it

Ninety-six hertz, we lock in
주파수는 이미 in-phase
My heart, 터질 듯 뛰어오르는 중
올라타 올려봐, gear
파동 타고 스며드는 중
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Romanized

Yeah
Kick it louder
Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz
Ayy

Gipeojyeo glitch
Sumeul jugyeo daeul deut mal deusi
Neoui geu padong ane nareul matchwobwa
Padoreul taneun deusi (Crush)
Beonjyeowa deeper frequencies
Pokbalhae chemistry

Tto kkeureodang gijana
Same wavelength, we’re on it

Ninety-six hertz, we lock in
Jupasuneun imi in-phase
My heart, teojil deut ttwiooreuneun jung
Ollata ollyeobwa, gear
Padong tago syeomeodeuneun jung
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Step in the room, my heart goes boom
Ne vibe-neun cheoncheonhi ollawa zoom
Gibun joeun sangsangeul hagekkeum
I jiljuneun jameul kkaegi sireun kkum
Zero, one saie dugo
Deiteocheoreom jungcheopdoeeo ganeun track
One, one, four, tempo gawibawibo
Eopchirak dwichirak naega igin game

Tto kkeureodang gijana
Same wavelength, we’re on it

Ninety-six hertz, we lock in
Jupasuneun imi in-phase
My heart, teojil deut ttwiooreuneun jung
Ollata ollyeobwa, gear
Padong tago syeomeodeuneun jung
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Ah, ah-ah-ah
Ah, ah-ah-ah (Hertz)
Ah, ah-ah-ah (Hertz)
Woo (Hertz), woo
Same wavelength, we’re on it

Ninety-six hertz, we lock in
Jupasuneun imi in-phase
My heart, teojil deut ttwiooreuneun jung
Ollata ollyeobwa, gear
Padong tago syeomeodeuneun jung
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Translation

Yeah
Kick it louder
Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz
Ayy

The glitch deepens
Holding my breath, as if we’re touching but not quite
Try to match me within your wave
Like riding a wave (Crush)
Deeper frequencies spread
The chemistry explodes

You’re pulling me in again
Same wavelength, we’re on it

Ninety-six hertz, we lock in
The frequency is already in-phase
My heart, it’s jumping as if it’s about to burst
Climb aboard and shift the gear up
Seeping in while riding the vibration
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Step in the room, my heart goes boom
Your vibe slowly zooms in
Making me have pleasant imaginations
This sprint is a dream I don’t want to wake up from
Placed between zero and one
A track that overlaps like data
One, one, four, tempo rock-paper-scissors
A game of back-and-forth that I won

You’re pulling me in again
Same wavelength, we’re on it

Ninety-six hertz, we lock in
The frequency is already in-phase
My heart, it’s jumping as if it’s about to burst
Climb aboard and shift the gear up
Seeping in while riding the vibration
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Ah, ah-ah-ah
Ah, ah-ah-ah (Hertz)
Ah, ah-ah-ah (Hertz)
Woo (Hertz), woo
Same wavelength, we’re on it

Ninety-six hertz, we lock in
The frequency is already in-phase
My heart, it’s jumping as if it’s about to burst
Climb aboard and shift the gear up
Seeping in while riding the vibration
We resonate at perfect H-Z

Hertz, hertz, hertz, hertz, hertz
Ayy
Hertz, hertz, hertz, hertz, hertz
Ayy

Moon Byul “Hertz” Meaning

“Hertz” is a high-energy title track that captures the feeling of unstoppable momentum and emotional intensity. Built around the concept of sound frequency, the song compares a racing heartbeat to rising BPM, symbolizing excitement, passion, and the thrill of being fully “in sync.” As the beat accelerates, it mirrors the sensation of stepping on the gas creating an immersive, almost physical experience for listeners.

The lyrics use technical imagery like “frequency,” “in-phase,” and “resonate” to express deep connection and unity. Lines such as “we lock in” and “we resonate at perfect Hz” suggest two forces perfectly aligned whether in love, music, or shared energy. This metaphor transforms emotion into something almost scientific, emphasizing harmony and intensity at the same time.

Musically, “Hertz” delivers a powerful, driving sound that builds tension and release, matching its theme of acceleration and adrenaline. Moonbyul’s dynamic vocals ride over the beat with confidence, turning the track into both a sonic rush and a statement of control, energy, and connection.